1 /*
2  * arch/ppc/platforms/ebony.h
3  *
4  * Ebony board definitions
5  *
6  * Matt Porter <mporter@mvista.com>
7  *
8  * Copyright 2002 MontaVista Software Inc.
9  *
10  * This program is free software; you can redistribute  it and/or modify it
11  * under  the terms of  the GNU General  Public License as published by the
12  * Free Software Foundation;  either version 2 of the  License, or (at your
13  * option) any later version.
14  */
15 
16 #ifdef __KERNEL__
17 #ifndef __ASM_EBONY_H__
18 #define __ASM_EBONY_H__
19 
20 #include <linux/config.h>
21 #include <platforms/ibm440gp.h>
22 
23 /* F/W TLB mapping used in bootloader glue to reset EMAC */
24 #define PPC44x_EMAC0_MR0	0xE0000800
25 
26 /* Macros to get at Ebony VPD info */
27 #define EBONY_VPD_BASE		0x00000001fffffe00ULL
28 #define EBONY_VPD_SIZE		0x24
29 #define EBONY_NA0_OFFSET	0x0c
30 #define EBONY_NA1_OFFSET	0x18
31 #define EBONY_NA0_ADDR(base)	(base + EBONY_NA0_OFFSET)
32 #define EBONY_NA1_ADDR(base)	(base + EBONY_NA1_OFFSET)
33 
34 /* Default clock rates for Rev. B and Rev. C silicon */
35 #define EBONY_440GP_RB_SYSCLK	33000000
36 #define EBONY_440GP_RC_SYSCLK	400000000
37 
38 /* RTC/NVRAM location */
39 #define EBONY_RTC_ADDR		0x0000000148000000ULL
40 #define EBONY_RTC_SIZE		0x2000
41 
42 /* Flash */
43 #define EBONY_FPGA_ADDR		0x0000000148300000
44 #define EBONY_BOOT_SMALL_FLASH(x)	(x & 0x20)
45 #define EBONY_ONBRD_FLASH_EN(x)		(x & 0x02)
46 #define EBONY_FLASH_SEL(x)		(x & 0x01)
47 #define EBONY_SMALL_FLASH_LOW1	0x00000001ff800000
48 #define EBONY_SMALL_FLASH_LOW2	0x00000001ff880000
49 #define EBONY_SMALL_FLASH_HIGH1	0x00000001fff00000
50 #define EBONY_SMALL_FLASH_HIGH2	0x00000001fff80000
51 #define EBONY_SMALL_FLASH_SIZE	0x80000
52 #define EBONY_LARGE_FLASH_LOW	0x00000001ff800000
53 #define EBONY_LARGE_FLASH_HIGH	0x00000001ffc00000
54 #define EBONY_LARGE_FLASH_SIZE	0x400000
55 
56 #define EBONY_SMALL_FLASH_BASE	0x00000001fff80000
57 #define EBONY_LARGE_FLASH_BASE	0x00000001ff800000
58 
59 /*
60  * Serial port defines
61  */
62 
63 /* OpenBIOS defined UART mappings, used before early_serial_setup */
64 #define UART0_IO_BASE	(u8 *) 0xE0000200
65 #define UART1_IO_BASE	(u8 *) 0xE0000300
66 
67 #define BASE_BAUD	33000000/3/16
68 
69 #define STD_UART_OP(num)					\
70 	{ 0, BASE_BAUD, 0, UART##num##_INT,			\
71 		ASYNC_BOOT_AUTOCONF,				\
72 		iomem_base: UART##num##_IO_BASE,		\
73 		io_type: SERIAL_IO_MEM},
74 
75 #define SERIAL_PORT_DFNS	\
76 	STD_UART_OP(0)		\
77 	STD_UART_OP(1)
78 
79 /* PCI support */
80 #define EBONY_PCI_LOWER_IO	0x00000000
81 #define EBONY_PCI_UPPER_IO	0x0000ffff
82 #define EBONY_PCI_LOWER_MEM	0x80002000
83 #define EBONY_PCI_UPPER_MEM	0xffffefff
84 
85 #define EBONY_PCI_CFGREGS_BASE	0x000000020ec00000
86 #define EBONY_PCI_CFGA_PLB32	0x0ec00000
87 #define EBONY_PCI_CFGD_PLB32	0x0ec00004
88 
89 #define EBONY_PCI_IO_BASE	0x0000000208000000ULL
90 #define EBONY_PCI_IO_SIZE	0x00010000
91 #define EBONY_PCI_MEM_OFFSET	0x00000000
92 
93 #endif				/* __ASM_EBONY_H__ */
94 #endif				/* __KERNEL__ */
95